<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>error</title>
</head>
<body>
<button type="button">返回</button>
<img src="/img/favicon.ico" alt="">
<h1>发生错误，错误代码{{msg}}</h1>
<p>错误信息{{err.message}}</p>
<script>
    var btn=document.getElementsByTagName('button')
    btn[0].onclick=function () {
        history.go(-1)
    }
</script>
</body>
</html>